1202112945564 has 12 divisors (see below), whose sum is σ = 2804930206344. Its totient is φ = 400704315184.

The previous prime is 1202112945541. The next prime is 1202112945577. The reversal of 1202112945564 is 4655492112021.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50088039387 + ... + 50088039410.

It is an arithmetic number, because the mean of its divisors is an integer number (233744183862).

Almost surely, 2^{1202112945564} is an apocalyptic number.

It is an amenable number.

1202112945564 is an abundant number, since it is smaller than the sum of its proper divisors (1602817260780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1202112945564 is a wasteful number, since it uses less digits than its factorization.

1202112945564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100176078804 (or 100176078802 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The spelling of 1202112945564 in words is "one trillion, two hundred two billion, one hundred twelve million, nine hundred forty-five thousand, five hundred sixty-four".